You wrote:
I don't understand when you say that using ONE SINGLE TRANSACTION IB
uses a simple compression. I supposse IB_transaction1 in my program
is a Single Transaction.
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Transaction and compression is not related. What I meant so say was:
1. Do all inserts into the table using one transaction (don't use autocommit).
2. There is some simple compression of data (done by IB/Fb) - you may (or
may not) benefit of this (space-wise).


Regards,
Aage J.